This is a pretty sophisticated way in which the temperature is measured eardrum. How it works in determining body temperature is read infrared radiation coming from the eardrum tissue.
Measurement in this way does have some advantages such as the ability to more accurately measure the temperature inside the brain. To note, the actual brain temperature is the most appropriate measure in terms of body temperature measurement. Another advantage is the use of a very short time, about 2 to 3 seconds.
However, the accuracy of the thermometer this model is still questioned by some doctors. In addition, another drawback lies in the price is still enough to drain our pockets.
Because factor measurements especially in children, ear thermometers are not recommended its use in children younger than 3 years.